You have chosen 'Set Theory and related topics (2nd ed)' by Seymour Lipschutz, 'Our Knowledge of the External World' by Bertrand Russell and 'Of Organum or Ars Magna of Thinking' by Gottfried Leibniz
start again | choose another area for these texts | all the ideas for this combination of texts| All the ideas for Action, or select a subheading: |
| A. | Definition of Action | |
| B. | Preliminaries of Action | |
| C. | Motives for Action |